As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 194 LAS-JFK, CREW DECLARED EMERGENCY AND AIR RETURN TO LAS DUE TO RED HYD G + Y SYSTEM LO PRESSURE, Y SYSTEM OVERHEAT NO GREEN FLUID. FOUND RETRACTION FLEX HOSE ON RIGHT MLG DOOR LEAKING. REMOVED AND REPLACED FLEX HOSE, SERVICED GREEN HYD SYSTEM. OPS CHECK AND LEAK CHECK GOOD. YELLOW SYSTEM FLUID QUANTITY GOOD. INSPECT SYSTEM NO FAULTS FOUND. OPS CHECK GOOD IAW AMM 12-12-29.